300+ SCADA Protocol Articles & Guides
Deep dives on Modbus, DNP3, IEC 60870-5-101/104, IEC 61850, OPC UA, Profinet, MQTT, IEC 62443, and substation automation — written for practicing engineers.
DNP3 vs IEC 61850: Full Technical Comparison of SCADA and Digital Substation Protocols
DNP3-IP, designed for distribution SCADA and remote telemetry, and IEC 61850, built for advanced substation automation and high-speed protection schemes.
How to Monitor SCADA Protocol Traffic (Modbus RTU/TCP, IEC-104, DNP3, IEC-61850)
Learn how to monitor Modbus, IEC-104, DNP3, and IEC 61850 traffic. Capture and analyze SCADA communication over serial and TCP/IP for reliable system performance.
IEC 104 News 2026: Standard Updates, Security & NIS2 Compliance
Stay updated with the latest IEC 104 news for 2026, including IEC TS 60870-5-7 security extensions, standard status, testing updates, and SCADA interoperability.
DNP3 vs IEC 60870-5-104: Which Protocol Is Better for SCADA?
Compare DNP3 and IEC 60870-5-104 for SCADA systems—learn differences in architecture, performance, security, and use cases to choose the best protocol.
Modbus over RS485 Communication Frequency and Baud Rate
Modbus over RS485 communication frequency explained: real baud rate limits, bit timing, cable length, and how to size your poll cycle correctly in the field.
IEC-101 vs IEC-104 — Key Differences Explained
Clear technical comparison of IEC-101 vs IEC-104, explaining key differences, communication flow, and how IEC-101 to IEC-104 conversion works.
Zero-Trust Architecture for SCADA — Securing IEC 60870-5-104 Systems
Adopt Zero-Trust Architecture for SCADA and IEC 60870-5-104 systems to secure networks, authenticate devices, and prevent insider and external threats.
RS232 vs RS485: Key Differences, Comparison, and Pinout Explained
Compare RS232 vs RS485 communication standards — learn key differences in wiring, pinouts, speed, distance, and applications for serial devices.
RS-485 Wiring Guide: Best Practices, Installation Steps, and Common Mistakes to Avoid
Learn RS-485 wiring best practices with our complete installation guide. Discover tips, diagrams, and common mistakes to ensure reliable network performance.
DNP3 vs. IEC 60870-5-101: Key Differences and Similarities in SCADA Protocols
Dive into the key differences and similarities between DNP3 and IEC 60870-5-101 protocols for SCADA/ICS systems, covering addressing, security, interoperability, and more.
Modbus vs DNP3: A Technical Comparison for SCADA Engineers
Technical comparison of Modbus vs DNP3 (IEEE 1815) protocols covering architecture, communication layers, reliability, and cybersecurity.
Python Modbus Libraries Comparison: The Complete 2025 Guide
Compare top Python Modbus libraries—PyModbus, MinimalModbus, Modbus-tk, and more—to choose the best library for your industrial or IoT project.
Best Free Modbus Software: 10 Tools for RTU and TCP Testing
Best free Modbus software for engineers: 10 tools for RTU, TCP, and ASCII testing. Master utilities, slave simulators, sniffers, and monitors compared.
RS-485 vs Ethernet: Choosing the Right Network for Modbus
Compare RS-485 vs Ethernet for Modbus communication. Learn key differences, pros, and best use cases to choose the right Modbus network for your system.